Merge branch '15579-filter-milestone-confidential-issues-api' into 'master'

Prevent information disclosure via milestone API

Closes https://gitlab.com/gitlab-org/gitlab-ce/issues/15579

See merge request !1961

1 files changed, 30 insertions, 1 deletions

diff --git a/spec/requests/api/milestones_spec.rb b/spec/requests/api/milestones_spec.rb
index 344f0fe0b7f..241995041bb 100644
--- a/spec/requests/api/milestones_spec.rb
+++ b/spec/requests/api/milestones_spec.rb
@@ -127,7 +127,7 @@ describe API::API, api: true  do
 
   describe 'GET /projects/:id/milestones/:milestone_id/issues' do
     before do
-      milestone.issues << create(:issue)
+      milestone.issues << create(:issue, project: project)
     end
     it 'should return project issues for a particular milestone' do
       get api("/projects/#{project.id}/milestones/#{milestone.id}/issues", user)
@@ -140,5 +140,34 @@ describe API::API, api: true  do
       get api("/projects/#{project.id}/milestones/#{milestone.id}/issues")
       expect(response.status).to eq(401)
     end
+
+    describe 'confidential issues' do
+      let(:public_project) { create(:project, :public) }
+      let(:milestone) { create(:milestone, project: public_project) }
+      let(:issue) { create(:issue, project: public_project) }
+      let(:confidential_issue) { create(:issue, confidential: true, project: public_project) }
+      before do
+        public_project.team << [user, :developer]
+        milestone.issues << issue << confidential_issue
+      end
+
+      it 'returns confidential issues to team members' do
+        get api("/projects/#{public_project.id}/milestones/#{milestone.id}/issues", user)
+
+        expect(response.status).to eq(200)
+        expect(json_response).to be_an Array
+        expect(json_response.size).to eq(2)
+        expect(json_response.map { |issue| issue['id'] }).to include(issue.id, confidential_issue.id)
+      end
+
+      it 'does not return confidential issues to regular users' do
+        get api("/projects/#{public_project.id}/milestones/#{milestone.id}/issues", create(:user))
+
+        expect(response.status).to eq(200)
+        expect(json_response).to be_an Array
+        expect(json_response.size).to eq(1)
+        expect(json_response.map { |issue| issue['id'] }).to include(issue.id)
+      end
+    end
   end
 end